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Finding the Third Proportional to 81,612 and 173,025

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Solution

The third proportional to 81,612 and 173,025 is: 366,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,612 : 173,025 = 173,025 : x
  2. Step 2: Convert to fraction form
    81,612/173,025 = 173,025/x
  3. Step 3: Cross multiply
    81,612x = 173,025 × 173,025
  4. Step 4: Simplify right side
    81,612x = 29,937,650,625
  5. Step 5: Solve for x
    x = 29,937,650,625/81,612
  6. Step 6: Final answer
    x = 366,829.03

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.